Which transformation (or transformations) preserve congruence? A. Reflection
B. Translation
C. Rotation
D. All of the above

If lmn=xyz, which congruences are true by cpctc? check all that apply

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?